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Jacob Marhefky
NPI 1912887126 · Licensed Vocational Nurse · Los Angeles, CA
Jacob Marhefky is a Licensed Vocational Nurse provider in Los Angeles, CA (NPI 1912887126).
Provider details
- NPI number
- 1912887126
- Entity type
- Individual
- Primary specialty
- Licensed Vocational NurseNursing Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 215513 (CA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Established profile(54/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
12021 Wilmington Ave Bldg 18
Los Angeles, CA 90059-3019
Phone: (424) 454-5400
Street-level locationGet directions
Mailing address
11929 Venice Blvd Apt 300
Los Angeles, CA 90066-3939
Registry dates
- Enumerated
- 2025-09-08
- Last updated
- 2025-09-08
- Certified
- 2025-09-07
Frequently asked questions
- What is Jacob Marhefky's NPI number?
- Jacob Marhefky's National Provider Identifier (NPI) is 1912887126, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jacob Marhefky's specialty?
- Jacob Marhefky is listed in the NPPES registry with a primary specialty of Licensed Vocational Nurse (Nursing Service Providers).
- Where is Jacob Marhefky located?
- Jacob Marhefky's practice location on file with NPPES is 12021 Wilmington Ave Bldg 18, Los Angeles, CA 90059-3019.
- What is Jacob Marhefky's phone number?
- The practice phone number listed in the NPPES registry for Jacob Marhefky is (424) 454-5400.
- Is Jacob Marhefky's NPI active?
- Yes — Jacob Marhefky's NPI (1912887126) is active in the NPPES registry as of the last update on 2025-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.